The black group makes a comb formation with unfinished 'legs'. Here is the vital point.
Knowing the comb formation tempts one to extend the leg with . White plays
to create a bulky five and plays
at the vital point.
So, since the stone seemed to be the one spoiling the comb party, Black tries
here. Up to
he gets a ko.
Black extending to enlarge his space seems to work. Anyone counter this diagram ?
How about to get an advantageous ko?
Go to Problem 44
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